package visitors;
import arbore.*;

public abstract class Visitor {
	
	public abstract void visit(Nod n);
	public void visit (Frunza f)
	{
		System.out.print(f.toString());
	}
	public void visit (NodAbstract n)
	{
		if (n instanceof Nod)
			visit ((Nod)n);
		else if (n instanceof Frunza)
			visit ((Frunza)n);
		
	}

	
}
